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1 vulnerability by dvcrn
CVE-2021-47838 (GCVE-0-2021-47838)
Vulnerability from cvelistv5 – Published: 2026-01-16 19:09 – Updated: 2026-01-16 21:09
VLAI
Title
Markright 1.0 - Persistent Cross-Site Scripting
Summary
Markright 1.0 contains a persistent cross-site scripting vulnerability that allows attackers to embed malicious payloads in markdown files. Attackers can upload specially crafted markdown files that execute arbitrary JavaScript when opened, potentially enabling remote code execution on the victim's system.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/49834 | exploit |
| https://github.com/dvcrn/markright | product |
| https://imgur.com/a/VOsgKbZ | exploit |
| https://www.vulncheck.com/advisories/markright-pe… | third-party-advisory |
Date Public
2021-04-05 00:00
Credits
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